Leucanthemum vulgare |
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marguerite blanche, ox-eye daisy, oxe eye daisy |
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Habit | Perennials, 10–30(–100+) cm. |
Stems | simple or distally branched. |
Basal leaves | petioles 10–30(–120) mm, expanding into obovate to spatulate blades 12–35(–50+) × 8–20(–30) mm, margins usually pinnately lobed (lobes 3–7+) and/or irregularly toothed. |
Cauline leaves | petiolate or sessile; blades oblanceolate or spatulate to lanceolate or linear, 30–80+ × 2–15+ mm, margins of mid-stem leaves usually irregularly toothed proximally and distally. |
Involucres | 12–20+ mm diam. |
Ray florets | usually 13–34+, rarely 0; laminae 12–20(–35+) mm. |
Phyllaries | (the larger) 2–3 mm wide. |
Ray cypselae | 1.5–2.5 mm, apices usually coronate or auriculate. |
2n | = 18, 36, 54, 72, 90. |
Leucanthemum vulgare |
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Phenology | Flowering spring–fall. |
Habitat | Disturbed places, meadows, seeps, clearings |
Elevation | 0–2000 m (0–6600 ft) |
Distribution |
AK; AR; AZ; CA; CO; CT; FL; IA; ID; IL; IN; KS; MA; MI; MO; MT; ND; NM; NV; NY; OH; OK; OR; PA; SC; SD; TN; UT; VA; WA; WI; WV; WY; AB; BC; ON; QC; SK; Europe; widely adventive [Introduced in North America]
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Discussion | Some botanists (e.g., W. J. Cody 1996) have treated Leucanthemum ircutianum de Candolle, with blades of mid and distal cauline leaves oblong to oblong-lanceolate and not ± pinnate at bases, as distinct from L. vulgare. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 19, p. 558. |
Parent taxa | Asteraceae > tribe Anthemideae > Leucanthemum |
Sibling taxa | |
Synonyms | Chrysanthemum leucanthemum, Chrysanthemum leucanthemum var. pinnatifidum |
Name authority | Lamarck: Fl. Franç. 2: 137. (1779) |
Web links |
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